18765216

素因数分解:

$2^5\times 3^3\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 37541664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 96, 108, 111, 144, 148, 216, 222, 288, 296, 333, 432, 444, 587, 592, 666, 864, 888, 999, 1174, 1184, 1332, 1761, 1776, 1998, 2348, 2664, 3522, 3552, 3996, 4696, 5283, 5328, 7044, 7992, 9392, 10566, 10656, 14088, 15849, 15984, 18784, 21132, 21719, 28176, 31698, 31968, 42264, 43438, 56352, 63396, 65157, 84528, 86876, 126792, 130314, 169056, 173752, 195471, 253584, 260628, 347504, 390942, 507168, 521256, 586413, 695008, 781884, 1042512, 1172826, 1563768, 2085024, 2345652, 3127536, 4691304, 6255072, 9382608, 18765216]

約数ペア:

[(1, 18765216), (2, 9382608), (3, 6255072), (4, 4691304), (6, 3127536), (8, 2345652), (9, 2085024), (12, 1563768), (16, 1172826), (18, 1042512), (24, 781884), (27, 695008), (32, 586413), (36, 521256), (37, 507168), (48, 390942), (54, 347504), (72, 260628), (74, 253584), (96, 195471), (108, 173752), (111, 169056), (144, 130314), (148, 126792), (216, 86876), (222, 84528), (288, 65157), (296, 63396), (333, 56352), (432, 43438), (444, 42264), (587, 31968), (592, 31698), (666, 28176), (864, 21719), (888, 21132), (999, 18784), (1174, 15984), (1184, 15849), (1332, 14088), (1761, 10656), (1776, 10566), (1998, 9392), (2348, 7992), (2664, 7044), (3522, 5328), (3552, 5283), (3996, 4696)]