18973008

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1241

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 37005552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1187, 1332, 1776, 1998, 2374, 2664, 3561, 3996, 4748, 5328, 7122, 7992, 9496, 10683, 14244, 15984, 18992, 21366, 28488, 32049, 42732, 43919, 56976, 64098, 85464, 87838, 128196, 131757, 170928, 175676, 256392, 263514, 351352, 395271, 512784, 527028, 702704, 790542, 1054056, 1185813, 1581084, 2108112, 2371626, 3162168, 4743252, 6324336, 9486504, 18973008]

約数ペア:

[(1, 18973008), (2, 9486504), (3, 6324336), (4, 4743252), (6, 3162168), (8, 2371626), (9, 2108112), (12, 1581084), (16, 1185813), (18, 1054056), (24, 790542), (27, 702704), (36, 527028), (37, 512784), (48, 395271), (54, 351352), (72, 263514), (74, 256392), (108, 175676), (111, 170928), (144, 131757), (148, 128196), (216, 87838), (222, 85464), (296, 64098), (333, 56976), (432, 43919), (444, 42732), (592, 32049), (666, 28488), (888, 21366), (999, 18992), (1187, 15984), (1332, 14244), (1776, 10683), (1998, 9496), (2374, 7992), (2664, 7122), (3561, 5328), (3996, 4748)]