18964128

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 54008640

約数和(自身を除く): 35044512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 74, 76, 96, 111, 114, 148, 152, 222, 228, 281, 296, 304, 444, 456, 562, 592, 608, 703, 843, 888, 912, 1124, 1184, 1406, 1686, 1776, 1824, 2109, 2248, 2812, 3372, 3552, 4218, 4496, 5339, 5624, 6744, 8436, 8992, 10397, 10678, 11248, 13488, 16017, 16872, 20794, 21356, 22496, 26976, 31191, 32034, 33744, 41588, 42712, 62382, 64068, 67488, 83176, 85424, 124764, 128136, 166352, 170848, 197543, 249528, 256272, 332704, 395086, 499056, 512544, 592629, 790172, 998112, 1185258, 1580344, 2370516, 3160688, 4741032, 6321376, 9482064, 18964128]

約数ペア:

[(1, 18964128), (2, 9482064), (3, 6321376), (4, 4741032), (6, 3160688), (8, 2370516), (12, 1580344), (16, 1185258), (19, 998112), (24, 790172), (32, 592629), (37, 512544), (38, 499056), (48, 395086), (57, 332704), (74, 256272), (76, 249528), (96, 197543), (111, 170848), (114, 166352), (148, 128136), (152, 124764), (222, 85424), (228, 83176), (281, 67488), (296, 64068), (304, 62382), (444, 42712), (456, 41588), (562, 33744), (592, 32034), (608, 31191), (703, 26976), (843, 22496), (888, 21356), (912, 20794), (1124, 16872), (1184, 16017), (1406, 13488), (1686, 11248), (1776, 10678), (1824, 10397), (2109, 8992), (2248, 8436), (2812, 6744), (3372, 5624), (3552, 5339), (4218, 4496)]