19609890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29378910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 107, 123, 149, 205, 214, 246, 298, 321, 410, 447, 535, 615, 642, 745, 894, 1070, 1230, 1490, 1605, 2235, 3210, 4387, 4470, 6109, 8774, 12218, 13161, 15943, 18327, 21935, 26322, 30545, 31886, 36654, 43870, 47829, 61090, 65805, 79715, 91635, 95658, 131610, 159430, 183270, 239145, 478290, 653663, 1307326, 1960989, 3268315, 3921978, 6536630, 9804945, 19609890]

約数ペア:

[(1, 19609890), (2, 9804945), (3, 6536630), (5, 3921978), (6, 3268315), (10, 1960989), (15, 1307326), (30, 653663), (41, 478290), (82, 239145), (107, 183270), (123, 159430), (149, 131610), (205, 95658), (214, 91635), (246, 79715), (298, 65805), (321, 61090), (410, 47829), (447, 43870), (535, 36654), (615, 31886), (642, 30545), (745, 26322), (894, 21935), (1070, 18327), (1230, 15943), (1490, 13161), (1605, 12218), (2235, 8774), (3210, 6109), (4387, 4470)]