18979459328

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2579}}^1$

素因数の和:2720

約数の個数: 144

約数和(自身を含む): 42715512000

約数和(自身を除く): 23736052672

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 89, 128, 136, 152, 178, 256, 272, 304, 323, 356, 544, 608, 646, 712, 1088, 1216, 1292, 1424, 1513, 1691, 2176, 2432, 2579, 2584, 2848, 3026, 3382, 4352, 4864, 5158, 5168, 5696, 6052, 6764, 10316, 10336, 11392, 12104, 13528, 20632, 20672, 22784, 24208, 27056, 28747, 41264, 41344, 43843, 48416, 49001, 54112, 57494, 82528, 82688, 87686, 96832, 98002, 108224, 114988, 165056, 175372, 193664, 196004, 216448, 229531, 229976, 330112, 350744, 387328, 392008, 432896, 459062, 459952, 660224, 701488, 784016, 833017, 918124, 919904, 1402976, 1568032, 1666034, 1836248, 1839808, 2805952, 3136064, 3332068, 3672496, 3679616, 3902027, 4361089, 5611904, 6272128, 6664136, 7344992, 7359232, 7804054, 8722178, 11223808, 12544256, 13328272, 14689984, 15608108, 17444356, 26656544, 29379968, 31216216, 34888712, 53313088, 58759936, 62432432, 69777424, 74138513, 106626176, 124864864, 139554848, 148277026, 213252352, 249729728, 279109696, 296554052, 499459456, 558219392, 593108104, 998918912, 1116438784, 1186216208, 2372432416, 4744864832, 9489729664, 18979459328]

約数ペア:

[(1, 18979459328), (2, 9489729664), (4, 4744864832), (8, 2372432416), (16, 1186216208), (17, 1116438784), (19, 998918912), (32, 593108104), (34, 558219392), (38, 499459456), (64, 296554052), (68, 279109696), (76, 249729728), (89, 213252352), (128, 148277026), (136, 139554848), (152, 124864864), (178, 106626176), (256, 74138513), (272, 69777424), (304, 62432432), (323, 58759936), (356, 53313088), (544, 34888712), (608, 31216216), (646, 29379968), (712, 26656544), (1088, 17444356), (1216, 15608108), (1292, 14689984), (1424, 13328272), (1513, 12544256), (1691, 11223808), (2176, 8722178), (2432, 7804054), (2579, 7359232), (2584, 7344992), (2848, 6664136), (3026, 6272128), (3382, 5611904), (4352, 4361089), (4864, 3902027), (5158, 3679616), (5168, 3672496), (5696, 3332068), (6052, 3136064), (6764, 2805952), (10316, 1839808), (10336, 1836248), (11392, 1666034), (12104, 1568032), (13528, 1402976), (20632, 919904), (20672, 918124), (22784, 833017), (24208, 784016), (27056, 701488), (28747, 660224), (41264, 459952), (41344, 459062), (43843, 432896), (48416, 392008), (49001, 387328), (54112, 350744), (57494, 330112), (82528, 229976), (82688, 229531), (87686, 216448), (96832, 196004), (98002, 193664), (108224, 175372), (114988, 165056)]