19934860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 49029120

約数和(自身を除く): 29094260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 79, 110, 124, 148, 155, 158, 185, 220, 310, 316, 341, 370, 395, 407, 620, 682, 740, 790, 814, 869, 1147, 1364, 1580, 1628, 1705, 1738, 2035, 2294, 2449, 2923, 3410, 3476, 4070, 4345, 4588, 4898, 5735, 5846, 6820, 8140, 8690, 9796, 11470, 11692, 12245, 12617, 14615, 17380, 22940, 24490, 25234, 26939, 29230, 32153, 48980, 50468, 53878, 58460, 63085, 64306, 90613, 107756, 126170, 128612, 134695, 160765, 181226, 252340, 269390, 321530, 362452, 453065, 538780, 643060, 906130, 996743, 1812260, 1993486, 3986972, 4983715, 9967430, 19934860]

約数ペア:

[(1, 19934860), (2, 9967430), (4, 4983715), (5, 3986972), (10, 1993486), (11, 1812260), (20, 996743), (22, 906130), (31, 643060), (37, 538780), (44, 453065), (55, 362452), (62, 321530), (74, 269390), (79, 252340), (110, 181226), (124, 160765), (148, 134695), (155, 128612), (158, 126170), (185, 107756), (220, 90613), (310, 64306), (316, 63085), (341, 58460), (370, 53878), (395, 50468), (407, 48980), (620, 32153), (682, 29230), (740, 26939), (790, 25234), (814, 24490), (869, 22940), (1147, 17380), (1364, 14615), (1580, 12617), (1628, 12245), (1705, 11692), (1738, 11470), (2035, 9796), (2294, 8690), (2449, 8140), (2923, 6820), (3410, 5846), (3476, 5735), (4070, 4898), (4345, 4588)]