19291284

素因数分解:

$2^2\times 3^5\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32076396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 223, 243, 267, 324, 356, 446, 486, 534, 669, 801, 892, 972, 1068, 1338, 1602, 2007, 2403, 2676, 3204, 4014, 4806, 6021, 7209, 8028, 9612, 12042, 14418, 18063, 19847, 21627, 24084, 28836, 36126, 39694, 43254, 54189, 59541, 72252, 79388, 86508, 108378, 119082, 178623, 216756, 238164, 357246, 535869, 714492, 1071738, 1607607, 2143476, 3215214, 4822821, 6430428, 9645642, 19291284]

約数ペア:

[(1, 19291284), (2, 9645642), (3, 6430428), (4, 4822821), (6, 3215214), (9, 2143476), (12, 1607607), (18, 1071738), (27, 714492), (36, 535869), (54, 357246), (81, 238164), (89, 216756), (108, 178623), (162, 119082), (178, 108378), (223, 86508), (243, 79388), (267, 72252), (324, 59541), (356, 54189), (446, 43254), (486, 39694), (534, 36126), (669, 28836), (801, 24084), (892, 21627), (972, 19847), (1068, 18063), (1338, 14418), (1602, 12042), (2007, 9612), (2403, 8028), (2676, 7209), (3204, 6021), (4014, 4806)]