19180850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 40122432

約数和(自身を除く): 20941582

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1283, 1495, 2566, 2990, 6415, 7475, 12830, 14950, 16679, 29509, 32075, 33358, 59018, 64150, 83395, 147545, 166790, 295090, 383617, 416975, 737725, 767234, 833950, 1475450, 1918085, 3836170, 9590425, 19180850]

約数ペア:

[(1, 19180850), (2, 9590425), (5, 3836170), (10, 1918085), (13, 1475450), (23, 833950), (25, 767234), (26, 737725), (46, 416975), (50, 383617), (65, 295090), (115, 166790), (130, 147545), (230, 83395), (299, 64150), (325, 59018), (575, 33358), (598, 32075), (650, 29509), (1150, 16679), (1283, 14950), (1495, 12830), (2566, 7475), (2990, 6415)]