2019543592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{19801}}^1$

素因数の和:19898

約数の個数: 64

約数和(自身を含む): 4419806400

約数和(自身を除く): 2400262808

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 61, 76, 88, 122, 152, 209, 244, 418, 488, 671, 836, 1159, 1342, 1672, 2318, 2684, 4636, 5368, 9272, 12749, 19801, 25498, 39602, 50996, 79204, 101992, 158408, 217811, 376219, 435622, 752438, 871244, 1207861, 1504876, 1742488, 2415722, 3009752, 4138409, 4831444, 8276818, 9662888, 13286471, 16553636, 22949359, 26572942, 33107272, 45898718, 53145884, 91797436, 106291768, 183594872, 252442949, 504885898, 1009771796, 2019543592]

約数ペア:

[(1, 2019543592), (2, 1009771796), (4, 504885898), (8, 252442949), (11, 183594872), (19, 106291768), (22, 91797436), (38, 53145884), (44, 45898718), (61, 33107272), (76, 26572942), (88, 22949359), (122, 16553636), (152, 13286471), (209, 9662888), (244, 8276818), (418, 4831444), (488, 4138409), (671, 3009752), (836, 2415722), (1159, 1742488), (1342, 1504876), (1672, 1207861), (2318, 871244), (2684, 752438), (4636, 435622), (5368, 376219), (9272, 217811), (12749, 158408), (19801, 101992), (25498, 79204), (39602, 50996)]