18495645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 36372480

約数和(自身を除く): 17876835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 127, 133, 219, 285, 365, 381, 399, 511, 635, 665, 889, 1095, 1387, 1533, 1905, 1995, 2413, 2555, 2667, 4161, 4445, 6935, 7239, 7665, 9271, 9709, 12065, 13335, 16891, 20805, 27813, 29127, 36195, 46355, 48545, 50673, 64897, 84455, 139065, 145635, 176149, 194691, 253365, 324485, 528447, 880745, 973455, 1233043, 2642235, 3699129, 6165215, 18495645]

約数ペア:

[(1, 18495645), (3, 6165215), (5, 3699129), (7, 2642235), (15, 1233043), (19, 973455), (21, 880745), (35, 528447), (57, 324485), (73, 253365), (95, 194691), (105, 176149), (127, 145635), (133, 139065), (219, 84455), (285, 64897), (365, 50673), (381, 48545), (399, 46355), (511, 36195), (635, 29127), (665, 27813), (889, 20805), (1095, 16891), (1387, 13335), (1533, 12065), (1905, 9709), (1995, 9271), (2413, 7665), (2555, 7239), (2667, 6935), (4161, 4445)]