19782090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 54069120

約数和(自身を除く): 34287030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1787, 1845, 2214, 3574, 3690, 5361, 5535, 8935, 10722, 11070, 16083, 17870, 26805, 32166, 48249, 53610, 73267, 80415, 96498, 146534, 160830, 219801, 241245, 366335, 439602, 482490, 659403, 732670, 1099005, 1318806, 1978209, 2198010, 3297015, 3956418, 6594030, 9891045, 19782090]

約数ペア:

[(1, 19782090), (2, 9891045), (3, 6594030), (5, 3956418), (6, 3297015), (9, 2198010), (10, 1978209), (15, 1318806), (18, 1099005), (27, 732670), (30, 659403), (41, 482490), (45, 439602), (54, 366335), (82, 241245), (90, 219801), (123, 160830), (135, 146534), (205, 96498), (246, 80415), (270, 73267), (369, 53610), (410, 48249), (615, 32166), (738, 26805), (1107, 17870), (1230, 16083), (1787, 11070), (1845, 10722), (2214, 8935), (3574, 5535), (3690, 5361)]