19802430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3607}}^1$

素因数の和:3681

約数の個数: 48

約数和(自身を含む): 52344864

約数和(自身を除く): 32542434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3607, 5490, 7214, 10821, 18035, 21642, 32463, 36070, 54105, 64926, 108210, 162315, 220027, 324630, 440054, 660081, 1100135, 1320162, 1980243, 2200270, 3300405, 3960486, 6600810, 9901215, 19802430]

約数ペア:

[(1, 19802430), (2, 9901215), (3, 6600810), (5, 3960486), (6, 3300405), (9, 2200270), (10, 1980243), (15, 1320162), (18, 1100135), (30, 660081), (45, 440054), (61, 324630), (90, 220027), (122, 162315), (183, 108210), (305, 64926), (366, 54105), (549, 36070), (610, 32463), (915, 21642), (1098, 18035), (1830, 10821), (2745, 7214), (3607, 5490)]