18878482840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{506941}}^1$

素因数の和:506985

約数の個数: 96

約数和(自身を含む): 52012249200

約数和(自身を除く): 33133766360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3724, 4655, 5320, 7448, 9310, 18620, 37240, 506941, 1013882, 2027764, 2534705, 3548587, 4055528, 5069410, 7097174, 9631879, 10138820, 14194348, 17742935, 19263758, 20277640, 24840109, 28388696, 35485870, 38527516, 48159395, 49680218, 67423153, 70971740, 77055032, 96318790, 99360436, 124200545, 134846306, 141943480, 192637580, 198720872, 248401090, 269692612, 337115765, 385275160, 471962071, 496802180, 539385224, 674231530, 943924142, 993604360, 1348463060, 1887848284, 2359810355, 2696926120, 3775696568, 4719620710, 9439241420, 18878482840]

約数ペア:

[(1, 18878482840), (2, 9439241420), (4, 4719620710), (5, 3775696568), (7, 2696926120), (8, 2359810355), (10, 1887848284), (14, 1348463060), (19, 993604360), (20, 943924142), (28, 674231530), (35, 539385224), (38, 496802180), (40, 471962071), (49, 385275160), (56, 337115765), (70, 269692612), (76, 248401090), (95, 198720872), (98, 192637580), (133, 141943480), (140, 134846306), (152, 124200545), (190, 99360436), (196, 96318790), (245, 77055032), (266, 70971740), (280, 67423153), (380, 49680218), (392, 48159395), (490, 38527516), (532, 35485870), (665, 28388696), (760, 24840109), (931, 20277640), (980, 19263758), (1064, 17742935), (1330, 14194348), (1862, 10138820), (1960, 9631879), (2660, 7097174), (3724, 5069410), (4655, 4055528), (5320, 3548587), (7448, 2534705), (9310, 2027764), (18620, 1013882), (37240, 506941)]