19107760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 51336000

約数和(自身を除く): 32228240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 229, 280, 298, 458, 560, 596, 745, 916, 1043, 1145, 1192, 1490, 1603, 1832, 2086, 2290, 2384, 2980, 3206, 3664, 4172, 4580, 5215, 5960, 6412, 8015, 8344, 9160, 10430, 11920, 12824, 16030, 16688, 18320, 20860, 25648, 32060, 34121, 41720, 64120, 68242, 83440, 128240, 136484, 170605, 238847, 272968, 341210, 477694, 545936, 682420, 955388, 1194235, 1364840, 1910776, 2388470, 2729680, 3821552, 4776940, 9553880, 19107760]

約数ペア:

[(1, 19107760), (2, 9553880), (4, 4776940), (5, 3821552), (7, 2729680), (8, 2388470), (10, 1910776), (14, 1364840), (16, 1194235), (20, 955388), (28, 682420), (35, 545936), (40, 477694), (56, 341210), (70, 272968), (80, 238847), (112, 170605), (140, 136484), (149, 128240), (229, 83440), (280, 68242), (298, 64120), (458, 41720), (560, 34121), (596, 32060), (745, 25648), (916, 20860), (1043, 18320), (1145, 16688), (1192, 16030), (1490, 12824), (1603, 11920), (1832, 10430), (2086, 9160), (2290, 8344), (2384, 8015), (2980, 6412), (3206, 5960), (3664, 5215), (4172, 4580)]