18491688

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 50731200

約数和(自身を除く): 32239512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3251, 5688, 6502, 9753, 13004, 19506, 26008, 29259, 39012, 58518, 78024, 117036, 234072, 256829, 513658, 770487, 1027316, 1540974, 2054632, 2311461, 3081948, 4622922, 6163896, 9245844, 18491688]

約数ペア:

[(1, 18491688), (2, 9245844), (3, 6163896), (4, 4622922), (6, 3081948), (8, 2311461), (9, 2054632), (12, 1540974), (18, 1027316), (24, 770487), (36, 513658), (72, 256829), (79, 234072), (158, 117036), (237, 78024), (316, 58518), (474, 39012), (632, 29259), (711, 26008), (948, 19506), (1422, 13004), (1896, 9753), (2844, 6502), (3251, 5688)]