18754058745

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 33753283200

約数和(自身を除く): 14999224455

約数列:

[1, 3, 5, 9, 15, 45, 53, 83, 159, 211, 249, 265, 415, 449, 477, 633, 747, 795, 1055, 1245, 1347, 1899, 2245, 2385, 3165, 3735, 4041, 4399, 6735, 9495, 11183, 13197, 17513, 20205, 21995, 23797, 33549, 37267, 39591, 52539, 55915, 65985, 71391, 87565, 94739, 100647, 111801, 118985, 157617, 167745, 186335, 197955, 214173, 262695, 284217, 335403, 356955, 473695, 503235, 559005, 788085, 852651, 928189, 1070865, 1421085, 1677015, 1975151, 2784567, 4263255, 4640945, 5021167, 5925453, 7863337, 8353701, 9875755, 13922835, 15063501, 17776359, 23590011, 25105835, 29627265, 39316685, 41768505, 45190503, 70770033, 75317505, 88881795, 117950055, 225952515, 353850165, 416756861, 1250270583, 2083784305, 3750811749, 6251352915, 18754058745]

約数ペア:

[(1, 18754058745), (3, 6251352915), (5, 3750811749), (9, 2083784305), (15, 1250270583), (45, 416756861), (53, 353850165), (83, 225952515), (159, 117950055), (211, 88881795), (249, 75317505), (265, 70770033), (415, 45190503), (449, 41768505), (477, 39316685), (633, 29627265), (747, 25105835), (795, 23590011), (1055, 17776359), (1245, 15063501), (1347, 13922835), (1899, 9875755), (2245, 8353701), (2385, 7863337), (3165, 5925453), (3735, 5021167), (4041, 4640945), (4399, 4263255), (6735, 2784567), (9495, 1975151), (11183, 1677015), (13197, 1421085), (17513, 1070865), (20205, 928189), (21995, 852651), (23797, 788085), (33549, 559005), (37267, 503235), (39591, 473695), (52539, 356955), (55915, 335403), (65985, 284217), (71391, 262695), (87565, 214173), (94739, 197955), (100647, 186335), (111801, 167745), (118985, 157617)]