19221020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31582180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 59, 65, 70, 91, 118, 130, 140, 179, 182, 236, 260, 295, 358, 364, 413, 455, 590, 716, 767, 826, 895, 910, 1180, 1253, 1534, 1652, 1790, 1820, 2065, 2327, 2506, 3068, 3580, 3835, 4130, 4654, 5012, 5369, 6265, 7670, 8260, 9308, 10561, 10738, 11635, 12530, 15340, 16289, 21122, 21476, 23270, 25060, 26845, 32578, 42244, 46540, 52805, 53690, 65156, 73927, 81445, 105610, 107380, 137293, 147854, 162890, 211220, 274586, 295708, 325780, 369635, 549172, 686465, 739270, 961051, 1372930, 1478540, 1922102, 2745860, 3844204, 4805255, 9610510, 19221020]

約数ペア:

[(1, 19221020), (2, 9610510), (4, 4805255), (5, 3844204), (7, 2745860), (10, 1922102), (13, 1478540), (14, 1372930), (20, 961051), (26, 739270), (28, 686465), (35, 549172), (52, 369635), (59, 325780), (65, 295708), (70, 274586), (91, 211220), (118, 162890), (130, 147854), (140, 137293), (179, 107380), (182, 105610), (236, 81445), (260, 73927), (295, 65156), (358, 53690), (364, 52805), (413, 46540), (455, 42244), (590, 32578), (716, 26845), (767, 25060), (826, 23270), (895, 21476), (910, 21122), (1180, 16289), (1253, 15340), (1534, 12530), (1652, 11635), (1790, 10738), (1820, 10561), (2065, 9308), (2327, 8260), (2506, 7670), (3068, 6265), (3580, 5369), (3835, 5012), (4130, 4654)]