19508060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31295140

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 359, 380, 418, 494, 572, 715, 718, 836, 988, 1045, 1235, 1430, 1436, 1795, 2090, 2470, 2717, 2860, 3590, 3949, 4180, 4667, 4940, 5434, 6821, 7180, 7898, 9334, 10868, 13585, 13642, 15796, 18668, 19745, 23335, 27170, 27284, 34105, 39490, 46670, 51337, 54340, 68210, 75031, 78980, 88673, 93340, 102674, 136420, 150062, 177346, 205348, 256685, 300124, 354692, 375155, 443365, 513370, 750310, 886730, 975403, 1026740, 1500620, 1773460, 1950806, 3901612, 4877015, 9754030, 19508060]

約数ペア:

[(1, 19508060), (2, 9754030), (4, 4877015), (5, 3901612), (10, 1950806), (11, 1773460), (13, 1500620), (19, 1026740), (20, 975403), (22, 886730), (26, 750310), (38, 513370), (44, 443365), (52, 375155), (55, 354692), (65, 300124), (76, 256685), (95, 205348), (110, 177346), (130, 150062), (143, 136420), (190, 102674), (209, 93340), (220, 88673), (247, 78980), (260, 75031), (286, 68210), (359, 54340), (380, 51337), (418, 46670), (494, 39490), (572, 34105), (715, 27284), (718, 27170), (836, 23335), (988, 19745), (1045, 18668), (1235, 15796), (1430, 13642), (1436, 13585), (1795, 10868), (2090, 9334), (2470, 7898), (2717, 7180), (2860, 6821), (3590, 5434), (3949, 4940), (4180, 4667)]