18778110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 49170240

約数和(自身を除く): 30392130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 541, 890, 1082, 1157, 1335, 1623, 2314, 2670, 2705, 3246, 3471, 5410, 5785, 6942, 7033, 8115, 11570, 14066, 16230, 17355, 21099, 34710, 35165, 42198, 48149, 70330, 96298, 105495, 144447, 210990, 240745, 288894, 481490, 625937, 722235, 1251874, 1444470, 1877811, 3129685, 3755622, 6259370, 9389055, 18778110]

約数ペア:

[(1, 18778110), (2, 9389055), (3, 6259370), (5, 3755622), (6, 3129685), (10, 1877811), (13, 1444470), (15, 1251874), (26, 722235), (30, 625937), (39, 481490), (65, 288894), (78, 240745), (89, 210990), (130, 144447), (178, 105495), (195, 96298), (267, 70330), (390, 48149), (445, 42198), (534, 35165), (541, 34710), (890, 21099), (1082, 17355), (1157, 16230), (1335, 14066), (1623, 11570), (2314, 8115), (2670, 7033), (2705, 6942), (3246, 5785), (3471, 5410)]