18381900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 53996544

約数和(自身を除く): 35614644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 142, 150, 213, 284, 300, 355, 426, 710, 852, 863, 1065, 1420, 1726, 1775, 2130, 2589, 3452, 3550, 4260, 4315, 5178, 5325, 7100, 8630, 10356, 10650, 12945, 17260, 21300, 21575, 25890, 43150, 51780, 61273, 64725, 86300, 122546, 129450, 183819, 245092, 258900, 306365, 367638, 612730, 735276, 919095, 1225460, 1531825, 1838190, 3063650, 3676380, 4595475, 6127300, 9190950, 18381900]

約数ペア:

[(1, 18381900), (2, 9190950), (3, 6127300), (4, 4595475), (5, 3676380), (6, 3063650), (10, 1838190), (12, 1531825), (15, 1225460), (20, 919095), (25, 735276), (30, 612730), (50, 367638), (60, 306365), (71, 258900), (75, 245092), (100, 183819), (142, 129450), (150, 122546), (213, 86300), (284, 64725), (300, 61273), (355, 51780), (426, 43150), (710, 25890), (852, 21575), (863, 21300), (1065, 17260), (1420, 12945), (1726, 10650), (1775, 10356), (2130, 8630), (2589, 7100), (3452, 5325), (3550, 5178), (4260, 4315)]