19006942900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{24371}}^1$

素因数の和:25105

約数の個数: 72

約数和(自身を含む): 45059928480

約数和(自身を除く): 26052985580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 709, 1100, 1418, 2836, 3545, 7090, 7799, 14180, 15598, 17725, 24371, 31196, 35450, 38995, 48742, 70900, 77990, 97484, 121855, 155980, 194975, 243710, 268081, 389950, 487420, 536162, 609275, 779900, 1072324, 1218550, 1340405, 2437100, 2680810, 5361620, 6702025, 13404050, 17279039, 26808100, 34558078, 69116156, 86395195, 172790390, 190069429, 345580780, 380138858, 431975975, 760277716, 863951950, 950347145, 1727903900, 1900694290, 3801388580, 4751735725, 9503471450, 19006942900]

約数ペア:

[(1, 19006942900), (2, 9503471450), (4, 4751735725), (5, 3801388580), (10, 1900694290), (11, 1727903900), (20, 950347145), (22, 863951950), (25, 760277716), (44, 431975975), (50, 380138858), (55, 345580780), (100, 190069429), (110, 172790390), (220, 86395195), (275, 69116156), (550, 34558078), (709, 26808100), (1100, 17279039), (1418, 13404050), (2836, 6702025), (3545, 5361620), (7090, 2680810), (7799, 2437100), (14180, 1340405), (15598, 1218550), (17725, 1072324), (24371, 779900), (31196, 609275), (35450, 536162), (38995, 487420), (48742, 389950), (70900, 268081), (77990, 243710), (97484, 194975), (121855, 155980)]