19787790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 52710912

約数和(自身を除く): 32923122

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 983, 1342, 1830, 1966, 2013, 2949, 3355, 4026, 4915, 5898, 6710, 9830, 10065, 10813, 14745, 20130, 21626, 29490, 32439, 54065, 59963, 64878, 108130, 119926, 162195, 179889, 299815, 324390, 359778, 599630, 659593, 899445, 1319186, 1798890, 1978779, 3297965, 3957558, 6595930, 9893895, 19787790]

約数ペア:

[(1, 19787790), (2, 9893895), (3, 6595930), (5, 3957558), (6, 3297965), (10, 1978779), (11, 1798890), (15, 1319186), (22, 899445), (30, 659593), (33, 599630), (55, 359778), (61, 324390), (66, 299815), (110, 179889), (122, 162195), (165, 119926), (183, 108130), (305, 64878), (330, 59963), (366, 54065), (610, 32439), (671, 29490), (915, 21626), (983, 20130), (1342, 14745), (1830, 10813), (1966, 10065), (2013, 9830), (2949, 6710), (3355, 5898), (4026, 4915)]