19063550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 40966128

約数和(自身を除く): 21902578

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 121, 137, 230, 242, 253, 274, 275, 506, 550, 575, 605, 685, 1150, 1210, 1265, 1370, 1507, 2530, 2783, 3014, 3025, 3151, 3425, 5566, 6050, 6302, 6325, 6850, 7535, 12650, 13915, 15070, 15755, 16577, 27830, 31510, 33154, 34661, 37675, 69322, 69575, 75350, 78775, 82885, 139150, 157550, 165770, 173305, 346610, 381271, 414425, 762542, 828850, 866525, 1733050, 1906355, 3812710, 9531775, 19063550]

約数ペア:

[(1, 19063550), (2, 9531775), (5, 3812710), (10, 1906355), (11, 1733050), (22, 866525), (23, 828850), (25, 762542), (46, 414425), (50, 381271), (55, 346610), (110, 173305), (115, 165770), (121, 157550), (137, 139150), (230, 82885), (242, 78775), (253, 75350), (274, 69575), (275, 69322), (506, 37675), (550, 34661), (575, 33154), (605, 31510), (685, 27830), (1150, 16577), (1210, 15755), (1265, 15070), (1370, 13915), (1507, 12650), (2530, 7535), (2783, 6850), (3014, 6325), (3025, 6302), (3151, 6050), (3425, 5566)]