18514720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 50996736

約数和(自身を除く): 32482016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 271, 280, 305, 427, 488, 542, 560, 610, 854, 976, 1084, 1120, 1220, 1355, 1708, 1897, 1952, 2135, 2168, 2440, 2710, 3416, 3794, 4270, 4336, 4880, 5420, 6832, 7588, 8540, 8672, 9485, 9760, 10840, 13664, 15176, 16531, 17080, 18970, 21680, 30352, 33062, 34160, 37940, 43360, 60704, 66124, 68320, 75880, 82655, 115717, 132248, 151760, 165310, 231434, 264496, 303520, 330620, 462868, 528992, 578585, 661240, 925736, 1157170, 1322480, 1851472, 2314340, 2644960, 3702944, 4628680, 9257360, 18514720]

約数ペア:

[(1, 18514720), (2, 9257360), (4, 4628680), (5, 3702944), (7, 2644960), (8, 2314340), (10, 1851472), (14, 1322480), (16, 1157170), (20, 925736), (28, 661240), (32, 578585), (35, 528992), (40, 462868), (56, 330620), (61, 303520), (70, 264496), (80, 231434), (112, 165310), (122, 151760), (140, 132248), (160, 115717), (224, 82655), (244, 75880), (271, 68320), (280, 66124), (305, 60704), (427, 43360), (488, 37940), (542, 34160), (560, 33062), (610, 30352), (854, 21680), (976, 18970), (1084, 17080), (1120, 16531), (1220, 15176), (1355, 13664), (1708, 10840), (1897, 9760), (1952, 9485), (2135, 8672), (2168, 8540), (2440, 7588), (2710, 6832), (3416, 5420), (3794, 4880), (4270, 4336)]