19875924

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 54407808

約数和(自身を除く): 34531884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 691, 799, 846, 1382, 1598, 1692, 2073, 2397, 2764, 3196, 4146, 4794, 6219, 7191, 8292, 9588, 11747, 12438, 14382, 23494, 24876, 28764, 32477, 35241, 46988, 64954, 70482, 97431, 105723, 129908, 140964, 194862, 211446, 292293, 389724, 422892, 552109, 584586, 1104218, 1169172, 1656327, 2208436, 3312654, 4968981, 6625308, 9937962, 19875924]

約数ペア:

[(1, 19875924), (2, 9937962), (3, 6625308), (4, 4968981), (6, 3312654), (9, 2208436), (12, 1656327), (17, 1169172), (18, 1104218), (34, 584586), (36, 552109), (47, 422892), (51, 389724), (68, 292293), (94, 211446), (102, 194862), (141, 140964), (153, 129908), (188, 105723), (204, 97431), (282, 70482), (306, 64954), (423, 46988), (564, 35241), (612, 32477), (691, 28764), (799, 24876), (846, 23494), (1382, 14382), (1598, 12438), (1692, 11747), (2073, 9588), (2397, 8292), (2764, 7191), (3196, 6219), (4146, 4794)]