19933524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 54792192

約数和(自身を除く): 34858668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 191, 223, 234, 382, 446, 468, 573, 669, 764, 892, 1146, 1338, 1719, 2007, 2292, 2483, 2676, 2899, 3438, 4014, 4966, 5798, 6876, 7449, 8028, 8697, 9932, 11596, 14898, 17394, 22347, 26091, 29796, 34788, 42593, 44694, 52182, 85186, 89388, 104364, 127779, 170372, 255558, 383337, 511116, 553709, 766674, 1107418, 1533348, 1661127, 2214836, 3322254, 4983381, 6644508, 9966762, 19933524]

約数ペア:

[(1, 19933524), (2, 9966762), (3, 6644508), (4, 4983381), (6, 3322254), (9, 2214836), (12, 1661127), (13, 1533348), (18, 1107418), (26, 766674), (36, 553709), (39, 511116), (52, 383337), (78, 255558), (117, 170372), (156, 127779), (191, 104364), (223, 89388), (234, 85186), (382, 52182), (446, 44694), (468, 42593), (573, 34788), (669, 29796), (764, 26091), (892, 22347), (1146, 17394), (1338, 14898), (1719, 11596), (2007, 9932), (2292, 8697), (2483, 8028), (2676, 7449), (2899, 6876), (3438, 5798), (4014, 4966)]