18495750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 57028608

約数和(自身を除く): 38532858

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 250, 271, 273, 325, 350, 375, 390, 455, 525, 542, 546, 650, 750, 813, 875, 910, 975, 1050, 1355, 1365, 1625, 1626, 1750, 1897, 1950, 2275, 2625, 2710, 2730, 3250, 3523, 3794, 4065, 4550, 4875, 5250, 5691, 6775, 6825, 7046, 8130, 9485, 9750, 10569, 11375, 11382, 13550, 13650, 17615, 18970, 20325, 21138, 22750, 24661, 28455, 33875, 34125, 35230, 40650, 47425, 49322, 52845, 56910, 67750, 68250, 73983, 88075, 94850, 101625, 105690, 123305, 142275, 147966, 176150, 203250, 237125, 246610, 264225, 284550, 369915, 440375, 474250, 528450, 616525, 711375, 739830, 880750, 1233050, 1321125, 1422750, 1849575, 2642250, 3082625, 3699150, 6165250, 9247875, 18495750]

約数ペア:

[(1, 18495750), (2, 9247875), (3, 6165250), (5, 3699150), (6, 3082625), (7, 2642250), (10, 1849575), (13, 1422750), (14, 1321125), (15, 1233050), (21, 880750), (25, 739830), (26, 711375), (30, 616525), (35, 528450), (39, 474250), (42, 440375), (50, 369915), (65, 284550), (70, 264225), (75, 246610), (78, 237125), (91, 203250), (105, 176150), (125, 147966), (130, 142275), (150, 123305), (175, 105690), (182, 101625), (195, 94850), (210, 88075), (250, 73983), (271, 68250), (273, 67750), (325, 56910), (350, 52845), (375, 49322), (390, 47425), (455, 40650), (525, 35230), (542, 34125), (546, 33875), (650, 28455), (750, 24661), (813, 22750), (875, 21138), (910, 20325), (975, 18970), (1050, 17615), (1355, 13650), (1365, 13550), (1625, 11382), (1626, 11375), (1750, 10569), (1897, 9750), (1950, 9485), (2275, 8130), (2625, 7046), (2710, 6825), (2730, 6775), (3250, 5691), (3523, 5250), (3794, 4875), (4065, 4550)]