2019293878

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 3687874560

約数和(自身を除く): 1668580682

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 163, 322, 326, 487, 553, 974, 1106, 1141, 1817, 2282, 3409, 3634, 3749, 6818, 7498, 11201, 12719, 12877, 22402, 25438, 25754, 26243, 38473, 52486, 76946, 78407, 79381, 90139, 156814, 158762, 180278, 269311, 296171, 538622, 555667, 592342, 884879, 1111334, 1769758, 1825763, 2073197, 3651526, 4146394, 6194153, 6271099, 12388306, 12542198, 12780341, 25560682, 43897693, 87795386, 144235277, 288470554, 1009646939, 2019293878]

約数ペア:

[(1, 2019293878), (2, 1009646939), (7, 288470554), (14, 144235277), (23, 87795386), (46, 43897693), (79, 25560682), (158, 12780341), (161, 12542198), (163, 12388306), (322, 6271099), (326, 6194153), (487, 4146394), (553, 3651526), (974, 2073197), (1106, 1825763), (1141, 1769758), (1817, 1111334), (2282, 884879), (3409, 592342), (3634, 555667), (3749, 538622), (6818, 296171), (7498, 269311), (11201, 180278), (12719, 158762), (12877, 156814), (22402, 90139), (25438, 79381), (25754, 78407), (26243, 76946), (38473, 52486)]