18019296

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 56019600

約数和(自身を除く): 38000304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 72, 74, 76, 89, 96, 111, 114, 144, 148, 152, 171, 178, 222, 228, 267, 288, 296, 304, 333, 342, 356, 444, 456, 534, 592, 608, 666, 684, 703, 712, 801, 888, 912, 1068, 1184, 1332, 1368, 1406, 1424, 1602, 1691, 1776, 1824, 2109, 2136, 2664, 2736, 2812, 2848, 3204, 3293, 3382, 3552, 4218, 4272, 5073, 5328, 5472, 5624, 6327, 6408, 6586, 6764, 8436, 8544, 9879, 10146, 10656, 11248, 12654, 12816, 13172, 13528, 15219, 16872, 19758, 20292, 22496, 25308, 25632, 26344, 27056, 29637, 30438, 33744, 39516, 40584, 50616, 52688, 54112, 59274, 60876, 62567, 67488, 79032, 81168, 101232, 105376, 118548, 121752, 125134, 158064, 162336, 187701, 202464, 237096, 243504, 250268, 316128, 375402, 474192, 487008, 500536, 563103, 750804, 948384, 1001072, 1126206, 1501608, 2002144, 2252412, 3003216, 4504824, 6006432, 9009648, 18019296]

約数ペア:

[(1, 18019296), (2, 9009648), (3, 6006432), (4, 4504824), (6, 3003216), (8, 2252412), (9, 2002144), (12, 1501608), (16, 1126206), (18, 1001072), (19, 948384), (24, 750804), (32, 563103), (36, 500536), (37, 487008), (38, 474192), (48, 375402), (57, 316128), (72, 250268), (74, 243504), (76, 237096), (89, 202464), (96, 187701), (111, 162336), (114, 158064), (144, 125134), (148, 121752), (152, 118548), (171, 105376), (178, 101232), (222, 81168), (228, 79032), (267, 67488), (288, 62567), (296, 60876), (304, 59274), (333, 54112), (342, 52688), (356, 50616), (444, 40584), (456, 39516), (534, 33744), (592, 30438), (608, 29637), (666, 27056), (684, 26344), (703, 25632), (712, 25308), (801, 22496), (888, 20292), (912, 19758), (1068, 16872), (1184, 15219), (1332, 13528), (1368, 13172), (1406, 12816), (1424, 12654), (1602, 11248), (1691, 10656), (1776, 10146), (1824, 9879), (2109, 8544), (2136, 8436), (2664, 6764), (2736, 6586), (2812, 6408), (2848, 6327), (3204, 5624), (3293, 5472), (3382, 5328), (3552, 5073), (4218, 4272)]