19955130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 54311040

約数和(自身を除く): 34355910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2693, 3705, 5386, 7410, 8079, 13465, 16158, 26930, 35009, 40395, 51167, 70018, 80790, 102334, 105027, 153501, 175045, 210054, 255835, 307002, 350090, 511670, 525135, 665171, 767505, 1050270, 1330342, 1535010, 1995513, 3325855, 3991026, 6651710, 9977565, 19955130]

約数ペア:

[(1, 19955130), (2, 9977565), (3, 6651710), (5, 3991026), (6, 3325855), (10, 1995513), (13, 1535010), (15, 1330342), (19, 1050270), (26, 767505), (30, 665171), (38, 525135), (39, 511670), (57, 350090), (65, 307002), (78, 255835), (95, 210054), (114, 175045), (130, 153501), (190, 105027), (195, 102334), (247, 80790), (285, 70018), (390, 51167), (494, 40395), (570, 35009), (741, 26930), (1235, 16158), (1482, 13465), (2470, 8079), (2693, 7410), (3705, 5386)]