19309420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1$

素因数の和:3274

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 26272340

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3229, 5980, 6458, 12916, 16145, 32290, 41977, 64580, 74267, 83954, 148534, 167908, 209885, 297068, 371335, 419770, 742670, 839540, 965471, 1485340, 1930942, 3861884, 4827355, 9654710, 19309420]

約数ペア:

[(1, 19309420), (2, 9654710), (4, 4827355), (5, 3861884), (10, 1930942), (13, 1485340), (20, 965471), (23, 839540), (26, 742670), (46, 419770), (52, 371335), (65, 297068), (92, 209885), (115, 167908), (130, 148534), (230, 83954), (260, 74267), (299, 64580), (460, 41977), (598, 32290), (1196, 16145), (1495, 12916), (2990, 6458), (3229, 5980)]