19864260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:694

約数の個数: 108

約数和(自身を含む): 65346372

約数和(自身を除く): 45482112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 653, 676, 780, 845, 1014, 1170, 1306, 1521, 1690, 1959, 2028, 2340, 2535, 2612, 3042, 3265, 3380, 3918, 5070, 5877, 6084, 6530, 7605, 7836, 8489, 9795, 10140, 11754, 13060, 15210, 16978, 19590, 23508, 25467, 29385, 30420, 33956, 39180, 42445, 50934, 58770, 76401, 84890, 101868, 110357, 117540, 127335, 152802, 169780, 220714, 254670, 305604, 331071, 382005, 441428, 509340, 551785, 662142, 764010, 993213, 1103570, 1324284, 1528020, 1655355, 1986426, 2207140, 3310710, 3972852, 4966065, 6621420, 9932130, 19864260]

約数ペア:

[(1, 19864260), (2, 9932130), (3, 6621420), (4, 4966065), (5, 3972852), (6, 3310710), (9, 2207140), (10, 1986426), (12, 1655355), (13, 1528020), (15, 1324284), (18, 1103570), (20, 993213), (26, 764010), (30, 662142), (36, 551785), (39, 509340), (45, 441428), (52, 382005), (60, 331071), (65, 305604), (78, 254670), (90, 220714), (117, 169780), (130, 152802), (156, 127335), (169, 117540), (180, 110357), (195, 101868), (234, 84890), (260, 76401), (338, 58770), (390, 50934), (468, 42445), (507, 39180), (585, 33956), (653, 30420), (676, 29385), (780, 25467), (845, 23508), (1014, 19590), (1170, 16978), (1306, 15210), (1521, 13060), (1690, 11754), (1959, 10140), (2028, 9795), (2340, 8489), (2535, 7836), (2612, 7605), (3042, 6530), (3265, 6084), (3380, 5877), (3918, 5070)]