18940507090

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1\times {\mathrm{49871}}^1$

素因数の和:50274

約数の個数: 32

約数和(自身を含む): 34449981696

約数和(自身を除く): 15509474606

約数列:

[1, 2, 5, 10, 163, 233, 326, 466, 815, 1165, 1630, 2330, 37979, 49871, 75958, 99742, 189895, 249355, 379790, 498710, 8128973, 11619943, 16257946, 23239886, 40644865, 58099715, 81289730, 116199430, 1894050709, 3788101418, 9470253545, 18940507090]

約数ペア:

[(1, 18940507090), (2, 9470253545), (5, 3788101418), (10, 1894050709), (163, 116199430), (233, 81289730), (326, 58099715), (466, 40644865), (815, 23239886), (1165, 16257946), (1630, 11619943), (2330, 8128973), (37979, 498710), (49871, 379790), (75958, 249355), (99742, 189895)]