19916736

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 168

約数和(自身を含む): 64282320

約数和(自身を除く): 44365584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 64, 73, 84, 87, 96, 98, 112, 116, 146, 147, 168, 174, 192, 196, 203, 219, 224, 232, 292, 294, 336, 348, 392, 406, 438, 448, 464, 511, 584, 588, 609, 672, 696, 784, 812, 876, 928, 1022, 1168, 1176, 1218, 1344, 1392, 1421, 1533, 1568, 1624, 1752, 1856, 2044, 2117, 2336, 2352, 2436, 2784, 2842, 3066, 3136, 3248, 3504, 3577, 4088, 4234, 4263, 4672, 4704, 4872, 5568, 5684, 6132, 6351, 6496, 7008, 7154, 8176, 8468, 8526, 9408, 9744, 10731, 11368, 12264, 12702, 12992, 14016, 14308, 14819, 16352, 16936, 17052, 19488, 21462, 22736, 24528, 25404, 28616, 29638, 32704, 33872, 34104, 38976, 42924, 44457, 45472, 49056, 50808, 57232, 59276, 67744, 68208, 85848, 88914, 90944, 98112, 101616, 103733, 114464, 118552, 135488, 136416, 171696, 177828, 203232, 207466, 228928, 237104, 272832, 311199, 343392, 355656, 406464, 414932, 474208, 622398, 686784, 711312, 829864, 948416, 1244796, 1422624, 1659728, 2489592, 2845248, 3319456, 4979184, 6638912, 9958368, 19916736]

約数ペア:

[(1, 19916736), (2, 9958368), (3, 6638912), (4, 4979184), (6, 3319456), (7, 2845248), (8, 2489592), (12, 1659728), (14, 1422624), (16, 1244796), (21, 948416), (24, 829864), (28, 711312), (29, 686784), (32, 622398), (42, 474208), (48, 414932), (49, 406464), (56, 355656), (58, 343392), (64, 311199), (73, 272832), (84, 237104), (87, 228928), (96, 207466), (98, 203232), (112, 177828), (116, 171696), (146, 136416), (147, 135488), (168, 118552), (174, 114464), (192, 103733), (196, 101616), (203, 98112), (219, 90944), (224, 88914), (232, 85848), (292, 68208), (294, 67744), (336, 59276), (348, 57232), (392, 50808), (406, 49056), (438, 45472), (448, 44457), (464, 42924), (511, 38976), (584, 34104), (588, 33872), (609, 32704), (672, 29638), (696, 28616), (784, 25404), (812, 24528), (876, 22736), (928, 21462), (1022, 19488), (1168, 17052), (1176, 16936), (1218, 16352), (1344, 14819), (1392, 14308), (1421, 14016), (1533, 12992), (1568, 12702), (1624, 12264), (1752, 11368), (1856, 10731), (2044, 9744), (2117, 9408), (2336, 8526), (2352, 8468), (2436, 8176), (2784, 7154), (2842, 7008), (3066, 6496), (3136, 6351), (3248, 6132), (3504, 5684), (3577, 5568), (4088, 4872), (4234, 4704), (4263, 4672)]