19617390

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 144

約数和(自身を含む): 59518368

約数和(自身を除く): 39900978

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 81, 90, 115, 117, 130, 135, 138, 162, 195, 207, 230, 234, 243, 270, 299, 345, 351, 390, 405, 414, 486, 585, 598, 621, 690, 702, 729, 810, 897, 1035, 1053, 1170, 1215, 1242, 1458, 1495, 1755, 1794, 1863, 2070, 2106, 2187, 2430, 2691, 2990, 3105, 3159, 3510, 3645, 3726, 4374, 4485, 5265, 5382, 5589, 6210, 6318, 6561, 7290, 8073, 8970, 9315, 9477, 10530, 10935, 11178, 13122, 13455, 15795, 16146, 16767, 18630, 18954, 21870, 24219, 26910, 27945, 28431, 31590, 32805, 33534, 40365, 47385, 48438, 50301, 55890, 56862, 65610, 72657, 80730, 83835, 85293, 94770, 100602, 121095, 142155, 145314, 150903, 167670, 170586, 217971, 242190, 251505, 284310, 301806, 363285, 426465, 435942, 503010, 653913, 726570, 754515, 852930, 1089855, 1307826, 1509030, 1961739, 2179710, 3269565, 3923478, 6539130, 9808695, 19617390]

約数ペア:

[(1, 19617390), (2, 9808695), (3, 6539130), (5, 3923478), (6, 3269565), (9, 2179710), (10, 1961739), (13, 1509030), (15, 1307826), (18, 1089855), (23, 852930), (26, 754515), (27, 726570), (30, 653913), (39, 503010), (45, 435942), (46, 426465), (54, 363285), (65, 301806), (69, 284310), (78, 251505), (81, 242190), (90, 217971), (115, 170586), (117, 167670), (130, 150903), (135, 145314), (138, 142155), (162, 121095), (195, 100602), (207, 94770), (230, 85293), (234, 83835), (243, 80730), (270, 72657), (299, 65610), (345, 56862), (351, 55890), (390, 50301), (405, 48438), (414, 47385), (486, 40365), (585, 33534), (598, 32805), (621, 31590), (690, 28431), (702, 27945), (729, 26910), (810, 24219), (897, 21870), (1035, 18954), (1053, 18630), (1170, 16767), (1215, 16146), (1242, 15795), (1458, 13455), (1495, 13122), (1755, 11178), (1794, 10935), (1863, 10530), (2070, 9477), (2106, 9315), (2187, 8970), (2430, 8073), (2691, 7290), (2990, 6561), (3105, 6318), (3159, 6210), (3510, 5589), (3645, 5382), (3726, 5265), (4374, 4485)]