19142240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9203}}^1$

素因数の和:9231

約数の個数: 48

約数和(自身を含む): 48707568

約数和(自身を除く): 29565328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9203, 18406, 36812, 46015, 73624, 92030, 119639, 147248, 184060, 239278, 294496, 368120, 478556, 598195, 736240, 957112, 1196390, 1472480, 1914224, 2392780, 3828448, 4785560, 9571120, 19142240]

約数ペア:

[(1, 19142240), (2, 9571120), (4, 4785560), (5, 3828448), (8, 2392780), (10, 1914224), (13, 1472480), (16, 1196390), (20, 957112), (26, 736240), (32, 598195), (40, 478556), (52, 368120), (65, 294496), (80, 239278), (104, 184060), (130, 147248), (160, 119639), (208, 92030), (260, 73624), (416, 46015), (520, 36812), (1040, 18406), (2080, 9203)]