19655944

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1877}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 48677760

約数和(自身を除く): 29021816

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 1877, 2618, 3754, 5236, 7508, 10472, 13139, 15016, 20647, 26278, 31909, 41294, 52556, 63818, 82588, 105112, 127636, 144529, 165176, 223363, 255272, 289058, 350999, 446726, 578116, 701998, 893452, 1156232, 1403996, 1786904, 2456993, 2807992, 4913986, 9827972, 19655944]

約数ペア:

[(1, 19655944), (2, 9827972), (4, 4913986), (7, 2807992), (8, 2456993), (11, 1786904), (14, 1403996), (17, 1156232), (22, 893452), (28, 701998), (34, 578116), (44, 446726), (56, 350999), (68, 289058), (77, 255272), (88, 223363), (119, 165176), (136, 144529), (154, 127636), (187, 105112), (238, 82588), (308, 63818), (374, 52556), (476, 41294), (616, 31909), (748, 26278), (952, 20647), (1309, 15016), (1496, 13139), (1877, 10472), (2618, 7508), (3754, 5236)]