19285760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 53225760

約数和(自身を除く): 33940000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 61, 64, 65, 76, 80, 95, 104, 122, 128, 130, 152, 160, 190, 208, 244, 247, 256, 260, 304, 305, 320, 380, 416, 488, 494, 520, 608, 610, 640, 760, 793, 832, 976, 988, 1040, 1159, 1216, 1220, 1235, 1280, 1520, 1586, 1664, 1952, 1976, 2080, 2318, 2432, 2440, 2470, 3040, 3172, 3328, 3904, 3952, 3965, 4160, 4636, 4864, 4880, 4940, 5795, 6080, 6344, 7808, 7904, 7930, 8320, 9272, 9760, 9880, 11590, 12160, 12688, 15067, 15616, 15808, 15860, 16640, 18544, 19520, 19760, 23180, 24320, 25376, 30134, 31616, 31720, 37088, 39040, 39520, 46360, 50752, 60268, 63232, 63440, 74176, 75335, 78080, 79040, 92720, 101504, 120536, 126880, 148352, 150670, 158080, 185440, 203008, 241072, 253760, 296704, 301340, 316160, 370880, 482144, 507520, 602680, 741760, 964288, 1015040, 1205360, 1483520, 1928576, 2410720, 3857152, 4821440, 9642880, 19285760]

約数ペア:

[(1, 19285760), (2, 9642880), (4, 4821440), (5, 3857152), (8, 2410720), (10, 1928576), (13, 1483520), (16, 1205360), (19, 1015040), (20, 964288), (26, 741760), (32, 602680), (38, 507520), (40, 482144), (52, 370880), (61, 316160), (64, 301340), (65, 296704), (76, 253760), (80, 241072), (95, 203008), (104, 185440), (122, 158080), (128, 150670), (130, 148352), (152, 126880), (160, 120536), (190, 101504), (208, 92720), (244, 79040), (247, 78080), (256, 75335), (260, 74176), (304, 63440), (305, 63232), (320, 60268), (380, 50752), (416, 46360), (488, 39520), (494, 39040), (520, 37088), (608, 31720), (610, 31616), (640, 30134), (760, 25376), (793, 24320), (832, 23180), (976, 19760), (988, 19520), (1040, 18544), (1159, 16640), (1216, 15860), (1220, 15808), (1235, 15616), (1280, 15067), (1520, 12688), (1586, 12160), (1664, 11590), (1952, 9880), (1976, 9760), (2080, 9272), (2318, 8320), (2432, 7930), (2440, 7904), (2470, 7808), (3040, 6344), (3172, 6080), (3328, 5795), (3904, 4940), (3952, 4880), (3965, 4864), (4160, 4636)]