19823120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 60

約数和(自身を含む): 47629764

約数和(自身を除く): 27806644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 181, 185, 296, 362, 370, 592, 724, 740, 905, 1369, 1448, 1480, 1810, 2738, 2896, 2960, 3620, 5476, 6697, 6845, 7240, 10952, 13394, 13690, 14480, 21904, 26788, 27380, 33485, 53576, 54760, 66970, 107152, 109520, 133940, 247789, 267880, 495578, 535760, 991156, 1238945, 1982312, 2477890, 3964624, 4955780, 9911560, 19823120]

約数ペア:

[(1, 19823120), (2, 9911560), (4, 4955780), (5, 3964624), (8, 2477890), (10, 1982312), (16, 1238945), (20, 991156), (37, 535760), (40, 495578), (74, 267880), (80, 247789), (148, 133940), (181, 109520), (185, 107152), (296, 66970), (362, 54760), (370, 53576), (592, 33485), (724, 27380), (740, 26788), (905, 21904), (1369, 14480), (1448, 13690), (1480, 13394), (1810, 10952), (2738, 7240), (2896, 6845), (2960, 6697), (3620, 5476)]