18974700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 108

約数和(自身を含む): 61610640

約数和(自身を除く): 42635940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 727, 870, 900, 1044, 1305, 1450, 1454, 1740, 2175, 2181, 2610, 2900, 2908, 3635, 4350, 4362, 5220, 6525, 6543, 7270, 8700, 8724, 10905, 13050, 13086, 14540, 18175, 21083, 21810, 26100, 26172, 32715, 36350, 42166, 43620, 54525, 63249, 65430, 72700, 84332, 105415, 109050, 126498, 130860, 163575, 189747, 210830, 218100, 252996, 316245, 327150, 379494, 421660, 527075, 632490, 654300, 758988, 948735, 1054150, 1264980, 1581225, 1897470, 2108300, 3162450, 3794940, 4743675, 6324900, 9487350, 18974700]

約数ペア:

[(1, 18974700), (2, 9487350), (3, 6324900), (4, 4743675), (5, 3794940), (6, 3162450), (9, 2108300), (10, 1897470), (12, 1581225), (15, 1264980), (18, 1054150), (20, 948735), (25, 758988), (29, 654300), (30, 632490), (36, 527075), (45, 421660), (50, 379494), (58, 327150), (60, 316245), (75, 252996), (87, 218100), (90, 210830), (100, 189747), (116, 163575), (145, 130860), (150, 126498), (174, 109050), (180, 105415), (225, 84332), (261, 72700), (290, 65430), (300, 63249), (348, 54525), (435, 43620), (450, 42166), (522, 36350), (580, 32715), (725, 26172), (727, 26100), (870, 21810), (900, 21083), (1044, 18175), (1305, 14540), (1450, 13086), (1454, 13050), (1740, 10905), (2175, 8724), (2181, 8700), (2610, 7270), (2900, 6543), (2908, 6525), (3635, 5220), (4350, 4362)]