18620032

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 40392000

約数和(自身を除く): 21771968

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 199, 272, 344, 398, 544, 688, 731, 796, 1088, 1376, 1462, 1592, 2176, 2752, 2924, 3184, 3383, 5504, 5848, 6368, 6766, 8557, 11696, 12736, 13532, 17114, 23392, 25472, 27064, 34228, 46784, 54128, 68456, 93568, 108256, 136912, 145469, 216512, 273824, 290938, 433024, 547648, 581876, 1095296, 1163752, 2327504, 4655008, 9310016, 18620032]

約数ペア:

[(1, 18620032), (2, 9310016), (4, 4655008), (8, 2327504), (16, 1163752), (17, 1095296), (32, 581876), (34, 547648), (43, 433024), (64, 290938), (68, 273824), (86, 216512), (128, 145469), (136, 136912), (172, 108256), (199, 93568), (272, 68456), (344, 54128), (398, 46784), (544, 34228), (688, 27064), (731, 25472), (796, 23392), (1088, 17114), (1376, 13532), (1462, 12736), (1592, 11696), (2176, 8557), (2752, 6766), (2924, 6368), (3184, 5848), (3383, 5504)]