72787518

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 173203200

約数和(自身を除く): 100415682

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 61, 114, 122, 171, 183, 342, 366, 513, 549, 1026, 1098, 1159, 1163, 1647, 2318, 2326, 3294, 3477, 3489, 6954, 6978, 10431, 10467, 20862, 20934, 22097, 31293, 31401, 44194, 62586, 62802, 66291, 70943, 132582, 141886, 198873, 212829, 397746, 425658, 596619, 638487, 1193238, 1276974, 1347917, 1915461, 2695834, 3830922, 4043751, 8087502, 12131253, 24262506, 36393759, 72787518]

約数ペア:

[(1, 72787518), (2, 36393759), (3, 24262506), (6, 12131253), (9, 8087502), (18, 4043751), (19, 3830922), (27, 2695834), (38, 1915461), (54, 1347917), (57, 1276974), (61, 1193238), (114, 638487), (122, 596619), (171, 425658), (183, 397746), (342, 212829), (366, 198873), (513, 141886), (549, 132582), (1026, 70943), (1098, 66291), (1159, 62802), (1163, 62586), (1647, 44194), (2318, 31401), (2326, 31293), (3294, 22097), (3477, 20934), (3489, 20862), (6954, 10467), (6978, 10431)]