19854588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 50309280

約数和(自身を除く): 30454692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 929, 1644, 1781, 1858, 2787, 3562, 3716, 5343, 5574, 7124, 10686, 11148, 12077, 21372, 24154, 36231, 48308, 72462, 127273, 144924, 254546, 381819, 509092, 763638, 1527276, 1654549, 3309098, 4963647, 6618196, 9927294, 19854588]

約数ペア:

[(1, 19854588), (2, 9927294), (3, 6618196), (4, 4963647), (6, 3309098), (12, 1654549), (13, 1527276), (26, 763638), (39, 509092), (52, 381819), (78, 254546), (137, 144924), (156, 127273), (274, 72462), (411, 48308), (548, 36231), (822, 24154), (929, 21372), (1644, 12077), (1781, 11148), (1858, 10686), (2787, 7124), (3562, 5574), (3716, 5343)]