19738920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 59829120

約数和(自身を除く): 40090200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1597, 2060, 2472, 3090, 3194, 4120, 4791, 6180, 6388, 7985, 9582, 12360, 12776, 15970, 19164, 23955, 31940, 38328, 47910, 63880, 95820, 164491, 191640, 328982, 493473, 657964, 822455, 986946, 1315928, 1644910, 1973892, 2467365, 3289820, 3947784, 4934730, 6579640, 9869460, 19738920]

約数ペア:

[(1, 19738920), (2, 9869460), (3, 6579640), (4, 4934730), (5, 3947784), (6, 3289820), (8, 2467365), (10, 1973892), (12, 1644910), (15, 1315928), (20, 986946), (24, 822455), (30, 657964), (40, 493473), (60, 328982), (103, 191640), (120, 164491), (206, 95820), (309, 63880), (412, 47910), (515, 38328), (618, 31940), (824, 23955), (1030, 19164), (1236, 15970), (1545, 12776), (1597, 12360), (2060, 9582), (2472, 7985), (3090, 6388), (3194, 6180), (4120, 4791)]