18535520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 28348576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 101, 124, 148, 155, 160, 185, 202, 248, 296, 310, 370, 404, 496, 505, 592, 620, 740, 808, 992, 1010, 1147, 1184, 1240, 1480, 1616, 2020, 2294, 2480, 2960, 3131, 3232, 3737, 4040, 4588, 4960, 5735, 5920, 6262, 7474, 8080, 9176, 11470, 12524, 14948, 15655, 16160, 18352, 18685, 22940, 25048, 29896, 31310, 36704, 37370, 45880, 50096, 59792, 62620, 74740, 91760, 100192, 115847, 119584, 125240, 149480, 183520, 231694, 250480, 298960, 463388, 500960, 579235, 597920, 926776, 1158470, 1853552, 2316940, 3707104, 4633880, 9267760, 18535520]

約数ペア:

[(1, 18535520), (2, 9267760), (4, 4633880), (5, 3707104), (8, 2316940), (10, 1853552), (16, 1158470), (20, 926776), (31, 597920), (32, 579235), (37, 500960), (40, 463388), (62, 298960), (74, 250480), (80, 231694), (101, 183520), (124, 149480), (148, 125240), (155, 119584), (160, 115847), (185, 100192), (202, 91760), (248, 74740), (296, 62620), (310, 59792), (370, 50096), (404, 45880), (496, 37370), (505, 36704), (592, 31310), (620, 29896), (740, 25048), (808, 22940), (992, 18685), (1010, 18352), (1147, 16160), (1184, 15655), (1240, 14948), (1480, 12524), (1616, 11470), (2020, 9176), (2294, 8080), (2480, 7474), (2960, 6262), (3131, 5920), (3232, 5735), (3737, 4960), (4040, 4588)]