19894340.000000000

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8688

約数の個数: 64

約数和(自身を含む): 331392000

約数和(自身を除く): 209412456

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1767, 2356, 3534, 4712, 7068, 8629, 14136, 17258, 25887, 34516, 51774, 69032, 103548, 163951, 207096, 267499, 327902, 491853, 534998, 655804, 802497, 983706, 1069996, 1311608, 1604994, 1967412, 2139992, 3209988, 3934824, 5082481, 6419976, 10164962, 15247443, 20329924, 30494886, 40659848, 60989772, 121979544]

約数ペア:

[(1, 121979544), (2, 60989772), (3, 40659848), (4, 30494886), (6, 20329924), (8, 15247443), (12, 10164962), (19, 6419976), (24, 5082481), (31, 3934824), (38, 3209988), (57, 2139992), (62, 1967412), (76, 1604994), (93, 1311608), (114, 1069996), (124, 983706), (152, 802497), (186, 655804), (228, 534998), (248, 491853), (372, 327902), (456, 267499), (589, 207096), (744, 163951), (1178, 103548), (1767, 69032), (2356, 51774), (3534, 34516), (4712, 25887), (7068, 17258), (8629, 14136)]