15019420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 34560288

約数和(自身を除く): 19540868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 947, 1220, 1586, 1894, 3172, 3788, 3965, 4735, 7930, 9470, 12311, 15860, 18940, 24622, 49244, 57767, 61555, 115534, 123110, 231068, 246220, 288835, 577670, 750971, 1155340, 1501942, 3003884, 3754855, 7509710, 15019420]

約数ペア:

[(1, 15019420), (2, 7509710), (4, 3754855), (5, 3003884), (10, 1501942), (13, 1155340), (20, 750971), (26, 577670), (52, 288835), (61, 246220), (65, 231068), (122, 123110), (130, 115534), (244, 61555), (260, 57767), (305, 49244), (610, 24622), (793, 18940), (947, 15860), (1220, 12311), (1586, 9470), (1894, 7930), (3172, 4735), (3788, 3965)]