19090630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 20826170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 130, 131, 190, 247, 262, 295, 494, 590, 655, 767, 1121, 1235, 1310, 1534, 1703, 2242, 2470, 2489, 3406, 3835, 4978, 5605, 7670, 7729, 8515, 11210, 12445, 14573, 15458, 17030, 24890, 29146, 32357, 38645, 64714, 72865, 77290, 100477, 145730, 146851, 161785, 200954, 293702, 323570, 502385, 734255, 1004770, 1468510, 1909063, 3818126, 9545315, 19090630]

約数ペア:

[(1, 19090630), (2, 9545315), (5, 3818126), (10, 1909063), (13, 1468510), (19, 1004770), (26, 734255), (38, 502385), (59, 323570), (65, 293702), (95, 200954), (118, 161785), (130, 146851), (131, 145730), (190, 100477), (247, 77290), (262, 72865), (295, 64714), (494, 38645), (590, 32357), (655, 29146), (767, 24890), (1121, 17030), (1235, 15458), (1310, 14573), (1534, 12445), (1703, 11210), (2242, 8515), (2470, 7729), (2489, 7670), (3406, 5605), (3835, 4978)]