19946903376

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{219757}}^1$

素因数の和:219860

約数の個数: 80

約数和(自身を含む): 54063984128

約数和(自身を除く): 34117080752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 61, 62, 93, 122, 124, 183, 186, 244, 248, 366, 372, 488, 496, 732, 744, 976, 1464, 1488, 1891, 2928, 3782, 5673, 7564, 11346, 15128, 22692, 30256, 45384, 90768, 219757, 439514, 659271, 879028, 1318542, 1758056, 2637084, 3516112, 5274168, 6812467, 10548336, 13405177, 13624934, 20437401, 26810354, 27249868, 40215531, 40874802, 53620708, 54499736, 80431062, 81749604, 107241416, 108999472, 160862124, 163499208, 214482832, 321724248, 326998416, 415560487, 643448496, 831120974, 1246681461, 1662241948, 2493362922, 3324483896, 4986725844, 6648967792, 9973451688, 19946903376]

約数ペア:

[(1, 19946903376), (2, 9973451688), (3, 6648967792), (4, 4986725844), (6, 3324483896), (8, 2493362922), (12, 1662241948), (16, 1246681461), (24, 831120974), (31, 643448496), (48, 415560487), (61, 326998416), (62, 321724248), (93, 214482832), (122, 163499208), (124, 160862124), (183, 108999472), (186, 107241416), (244, 81749604), (248, 80431062), (366, 54499736), (372, 53620708), (488, 40874802), (496, 40215531), (732, 27249868), (744, 26810354), (976, 20437401), (1464, 13624934), (1488, 13405177), (1891, 10548336), (2928, 6812467), (3782, 5274168), (5673, 3516112), (7564, 2637084), (11346, 1758056), (15128, 1318542), (22692, 879028), (30256, 659271), (45384, 439514), (90768, 219757)]