19973430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9649}}^1$

素因数の和:9685

約数の個数: 48

約数和(自身を含む): 54194400

約数和(自身を除く): 34220970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9649, 19298, 28947, 48245, 57894, 86841, 96490, 144735, 173682, 221927, 289470, 434205, 443854, 665781, 868410, 1109635, 1331562, 1997343, 2219270, 3328905, 3994686, 6657810, 9986715, 19973430]

約数ペア:

[(1, 19973430), (2, 9986715), (3, 6657810), (5, 3994686), (6, 3328905), (9, 2219270), (10, 1997343), (15, 1331562), (18, 1109635), (23, 868410), (30, 665781), (45, 443854), (46, 434205), (69, 289470), (90, 221927), (115, 173682), (138, 144735), (207, 96490), (230, 86841), (345, 57894), (414, 48245), (690, 28947), (1035, 19298), (2070, 9649)]