19670490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31223}}^1$

素因数の和:31243

約数の個数: 48

約数和(自身を含む): 58451328

約数和(自身を除く): 38780838

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31223, 62446, 93669, 156115, 187338, 218561, 281007, 312230, 437122, 468345, 562014, 655683, 936690, 1092805, 1311366, 1405035, 1967049, 2185610, 2810070, 3278415, 3934098, 6556830, 9835245, 19670490]

約数ペア:

[(1, 19670490), (2, 9835245), (3, 6556830), (5, 3934098), (6, 3278415), (7, 2810070), (9, 2185610), (10, 1967049), (14, 1405035), (15, 1311366), (18, 1092805), (21, 936690), (30, 655683), (35, 562014), (42, 468345), (45, 437122), (63, 312230), (70, 281007), (90, 218561), (105, 187338), (126, 156115), (210, 93669), (315, 62446), (630, 31223)]