19078613620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{7237}}^1$

素因数の和:7801

約数の個数: 96

約数和(自身を含む): 45701542656

約数和(自身を除く): 26622929036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 521, 1012, 1042, 1265, 2084, 2530, 2605, 5060, 5210, 5731, 7237, 10420, 11462, 11983, 14474, 22924, 23966, 28655, 28948, 36185, 47932, 57310, 59915, 72370, 79607, 114620, 119830, 131813, 144740, 159214, 166451, 239660, 263626, 318428, 332902, 398035, 527252, 659065, 665804, 796070, 832255, 1318130, 1592140, 1664510, 1830961, 2636260, 3329020, 3661922, 3770477, 7323844, 7540954, 9154805, 15081908, 18309610, 18852385, 36619220, 37704770, 41475247, 75409540, 82950494, 86720971, 165900988, 173441942, 207376235, 346883884, 414752470, 433604855, 829504940, 867209710, 953930681, 1734419420, 1907861362, 3815722724, 4769653405, 9539306810, 19078613620]

約数ペア:

[(1, 19078613620), (2, 9539306810), (4, 4769653405), (5, 3815722724), (10, 1907861362), (11, 1734419420), (20, 953930681), (22, 867209710), (23, 829504940), (44, 433604855), (46, 414752470), (55, 346883884), (92, 207376235), (110, 173441942), (115, 165900988), (220, 86720971), (230, 82950494), (253, 75409540), (460, 41475247), (506, 37704770), (521, 36619220), (1012, 18852385), (1042, 18309610), (1265, 15081908), (2084, 9154805), (2530, 7540954), (2605, 7323844), (5060, 3770477), (5210, 3661922), (5731, 3329020), (7237, 2636260), (10420, 1830961), (11462, 1664510), (11983, 1592140), (14474, 1318130), (22924, 832255), (23966, 796070), (28655, 665804), (28948, 659065), (36185, 527252), (47932, 398035), (57310, 332902), (59915, 318428), (72370, 263626), (79607, 239660), (114620, 166451), (119830, 159214), (131813, 144740)]