18782976

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 51418864

約数和(自身を除く): 32635888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 661, 768, 888, 1184, 1322, 1776, 1983, 2368, 2644, 3552, 3966, 4736, 5288, 7104, 7932, 9472, 10576, 14208, 15864, 21152, 24457, 28416, 31728, 42304, 48914, 63456, 73371, 84608, 97828, 126912, 146742, 169216, 195656, 253824, 293484, 391312, 507648, 586968, 782624, 1173936, 1565248, 2347872, 3130496, 4695744, 6260992, 9391488, 18782976]

約数ペア:

[(1, 18782976), (2, 9391488), (3, 6260992), (4, 4695744), (6, 3130496), (8, 2347872), (12, 1565248), (16, 1173936), (24, 782624), (32, 586968), (37, 507648), (48, 391312), (64, 293484), (74, 253824), (96, 195656), (111, 169216), (128, 146742), (148, 126912), (192, 97828), (222, 84608), (256, 73371), (296, 63456), (384, 48914), (444, 42304), (592, 31728), (661, 28416), (768, 24457), (888, 21152), (1184, 15864), (1322, 14208), (1776, 10576), (1983, 9472), (2368, 7932), (2644, 7104), (3552, 5288), (3966, 4736)]