19899516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18223}}^1$

素因数の和:18250

約数の個数: 48

約数和(自身を含む): 57150464

約数和(自身を除く): 37250948

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18223, 36446, 54669, 72892, 109338, 127561, 218676, 236899, 255122, 382683, 473798, 510244, 710697, 765366, 947596, 1421394, 1530732, 1658293, 2842788, 3316586, 4974879, 6633172, 9949758, 19899516]

約数ペア:

[(1, 19899516), (2, 9949758), (3, 6633172), (4, 4974879), (6, 3316586), (7, 2842788), (12, 1658293), (13, 1530732), (14, 1421394), (21, 947596), (26, 765366), (28, 710697), (39, 510244), (42, 473798), (52, 382683), (78, 255122), (84, 236899), (91, 218676), (156, 127561), (182, 109338), (273, 72892), (364, 54669), (546, 36446), (1092, 18223)]