18268250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 46545408

約数和(自身を除く): 28277158

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 73, 77, 91, 110, 125, 130, 143, 146, 154, 175, 182, 250, 275, 286, 325, 350, 365, 385, 455, 511, 550, 650, 715, 730, 770, 803, 875, 910, 949, 1001, 1022, 1375, 1430, 1606, 1625, 1750, 1825, 1898, 1925, 2002, 2275, 2555, 2750, 3250, 3575, 3650, 3850, 4015, 4550, 4745, 5005, 5110, 5621, 6643, 7150, 8030, 9125, 9490, 9625, 10010, 10439, 11242, 11375, 12775, 13286, 17875, 18250, 19250, 20075, 20878, 22750, 23725, 25025, 25550, 28105, 33215, 35750, 40150, 47450, 50050, 52195, 56210, 63875, 66430, 73073, 100375, 104390, 118625, 125125, 127750, 140525, 146146, 166075, 200750, 237250, 250250, 260975, 281050, 332150, 365365, 521950, 702625, 730730, 830375, 1304875, 1405250, 1660750, 1826825, 2609750, 3653650, 9134125, 18268250]

約数ペア:

[(1, 18268250), (2, 9134125), (5, 3653650), (7, 2609750), (10, 1826825), (11, 1660750), (13, 1405250), (14, 1304875), (22, 830375), (25, 730730), (26, 702625), (35, 521950), (50, 365365), (55, 332150), (65, 281050), (70, 260975), (73, 250250), (77, 237250), (91, 200750), (110, 166075), (125, 146146), (130, 140525), (143, 127750), (146, 125125), (154, 118625), (175, 104390), (182, 100375), (250, 73073), (275, 66430), (286, 63875), (325, 56210), (350, 52195), (365, 50050), (385, 47450), (455, 40150), (511, 35750), (550, 33215), (650, 28105), (715, 25550), (730, 25025), (770, 23725), (803, 22750), (875, 20878), (910, 20075), (949, 19250), (1001, 18250), (1022, 17875), (1375, 13286), (1430, 12775), (1606, 11375), (1625, 11242), (1750, 10439), (1825, 10010), (1898, 9625), (1925, 9490), (2002, 9125), (2275, 8030), (2555, 7150), (2750, 6643), (3250, 5621), (3575, 5110), (3650, 5005), (3850, 4745), (4015, 4550)]