19340568

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20688

約数の個数: 48

約数和(自身を含む): 56412720

約数和(自身を除く): 37072152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20663, 41326, 61989, 82652, 123978, 165304, 185967, 247956, 268619, 371934, 495912, 537238, 743868, 805857, 1074476, 1487736, 1611714, 2148952, 2417571, 3223428, 4835142, 6446856, 9670284, 19340568]

約数ペア:

[(1, 19340568), (2, 9670284), (3, 6446856), (4, 4835142), (6, 3223428), (8, 2417571), (9, 2148952), (12, 1611714), (13, 1487736), (18, 1074476), (24, 805857), (26, 743868), (36, 537238), (39, 495912), (52, 371934), (72, 268619), (78, 247956), (104, 185967), (117, 165304), (156, 123978), (234, 82652), (312, 61989), (468, 41326), (936, 20663)]