19187406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{773}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 47814624

約数和(自身を除く): 28627218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 773, 1182, 1379, 1546, 1773, 2319, 2758, 3546, 4137, 4638, 5411, 6957, 8274, 10822, 12411, 13914, 16233, 24822, 32466, 48699, 97398, 152281, 304562, 456843, 913686, 1065967, 1370529, 2131934, 2741058, 3197901, 6395802, 9593703, 19187406]

約数ペア:

[(1, 19187406), (2, 9593703), (3, 6395802), (6, 3197901), (7, 2741058), (9, 2131934), (14, 1370529), (18, 1065967), (21, 913686), (42, 456843), (63, 304562), (126, 152281), (197, 97398), (394, 48699), (591, 32466), (773, 24822), (1182, 16233), (1379, 13914), (1546, 12411), (1773, 10822), (2319, 8274), (2758, 6957), (3546, 5411), (4137, 4638)]