18738560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 49939200

約数和(自身を除く): 31200640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 67, 76, 80, 92, 95, 115, 128, 134, 152, 160, 184, 190, 230, 268, 304, 320, 335, 368, 380, 437, 460, 536, 608, 640, 670, 736, 760, 874, 920, 1072, 1216, 1273, 1340, 1472, 1520, 1541, 1748, 1840, 2144, 2185, 2432, 2546, 2680, 2944, 3040, 3082, 3496, 3680, 4288, 4370, 5092, 5360, 6080, 6164, 6365, 6992, 7360, 7705, 8576, 8740, 10184, 10720, 12160, 12328, 12730, 13984, 14720, 15410, 17480, 20368, 21440, 24656, 25460, 27968, 29279, 30820, 34960, 40736, 42880, 49312, 50920, 55936, 58558, 61640, 69920, 81472, 98624, 101840, 117116, 123280, 139840, 146395, 162944, 197248, 203680, 234232, 246560, 279680, 292790, 407360, 468464, 493120, 585580, 814720, 936928, 986240, 1171160, 1873856, 2342320, 3747712, 4684640, 9369280, 18738560]

約数ペア:

[(1, 18738560), (2, 9369280), (4, 4684640), (5, 3747712), (8, 2342320), (10, 1873856), (16, 1171160), (19, 986240), (20, 936928), (23, 814720), (32, 585580), (38, 493120), (40, 468464), (46, 407360), (64, 292790), (67, 279680), (76, 246560), (80, 234232), (92, 203680), (95, 197248), (115, 162944), (128, 146395), (134, 139840), (152, 123280), (160, 117116), (184, 101840), (190, 98624), (230, 81472), (268, 69920), (304, 61640), (320, 58558), (335, 55936), (368, 50920), (380, 49312), (437, 42880), (460, 40736), (536, 34960), (608, 30820), (640, 29279), (670, 27968), (736, 25460), (760, 24656), (874, 21440), (920, 20368), (1072, 17480), (1216, 15410), (1273, 14720), (1340, 13984), (1472, 12730), (1520, 12328), (1541, 12160), (1748, 10720), (1840, 10184), (2144, 8740), (2185, 8576), (2432, 7705), (2546, 7360), (2680, 6992), (2944, 6365), (3040, 6164), (3082, 6080), (3496, 5360), (3680, 5092), (4288, 4370)]