18900060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 56851200

約数和(自身を除く): 37951140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 59, 60, 76, 95, 114, 118, 177, 190, 228, 236, 281, 285, 295, 354, 380, 562, 570, 590, 708, 843, 885, 1121, 1124, 1140, 1180, 1405, 1686, 1770, 2242, 2810, 3363, 3372, 3540, 4215, 4484, 5339, 5605, 5620, 6726, 8430, 10678, 11210, 13452, 16017, 16579, 16815, 16860, 21356, 22420, 26695, 32034, 33158, 33630, 49737, 53390, 64068, 66316, 67260, 80085, 82895, 99474, 106780, 160170, 165790, 198948, 248685, 315001, 320340, 331580, 497370, 630002, 945003, 994740, 1260004, 1575005, 1890006, 3150010, 3780012, 4725015, 6300020, 9450030, 18900060]

約数ペア:

[(1, 18900060), (2, 9450030), (3, 6300020), (4, 4725015), (5, 3780012), (6, 3150010), (10, 1890006), (12, 1575005), (15, 1260004), (19, 994740), (20, 945003), (30, 630002), (38, 497370), (57, 331580), (59, 320340), (60, 315001), (76, 248685), (95, 198948), (114, 165790), (118, 160170), (177, 106780), (190, 99474), (228, 82895), (236, 80085), (281, 67260), (285, 66316), (295, 64068), (354, 53390), (380, 49737), (562, 33630), (570, 33158), (590, 32034), (708, 26695), (843, 22420), (885, 21356), (1121, 16860), (1124, 16815), (1140, 16579), (1180, 16017), (1405, 13452), (1686, 11210), (1770, 10678), (2242, 8430), (2810, 6726), (3363, 5620), (3372, 5605), (3540, 5339), (4215, 4484)]