19507020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 59693760

約数和(自身を除く): 40186740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 281, 356, 390, 445, 534, 562, 780, 843, 890, 1068, 1124, 1157, 1335, 1405, 1686, 1780, 2314, 2670, 2810, 3372, 3471, 3653, 4215, 4628, 5340, 5620, 5785, 6942, 7306, 8430, 10959, 11570, 13884, 14612, 16860, 17355, 18265, 21918, 23140, 25009, 34710, 36530, 43836, 50018, 54795, 69420, 73060, 75027, 100036, 109590, 125045, 150054, 219180, 250090, 300108, 325117, 375135, 500180, 650234, 750270, 975351, 1300468, 1500540, 1625585, 1950702, 3251170, 3901404, 4876755, 6502340, 9753510, 19507020]

約数ペア:

[(1, 19507020), (2, 9753510), (3, 6502340), (4, 4876755), (5, 3901404), (6, 3251170), (10, 1950702), (12, 1625585), (13, 1500540), (15, 1300468), (20, 975351), (26, 750270), (30, 650234), (39, 500180), (52, 375135), (60, 325117), (65, 300108), (78, 250090), (89, 219180), (130, 150054), (156, 125045), (178, 109590), (195, 100036), (260, 75027), (267, 73060), (281, 69420), (356, 54795), (390, 50018), (445, 43836), (534, 36530), (562, 34710), (780, 25009), (843, 23140), (890, 21918), (1068, 18265), (1124, 17355), (1157, 16860), (1335, 14612), (1405, 13884), (1686, 11570), (1780, 10959), (2314, 8430), (2670, 7306), (2810, 6942), (3372, 5785), (3471, 5620), (3653, 5340), (4215, 4628)]