19690890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{683}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 48903264

約数和(自身を除く): 29212374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 683, 930, 961, 1366, 1922, 2049, 2883, 3415, 4098, 4805, 5766, 6830, 9610, 10245, 14415, 20490, 21173, 28830, 42346, 63519, 105865, 127038, 211730, 317595, 635190, 656363, 1312726, 1969089, 3281815, 3938178, 6563630, 9845445, 19690890]

約数ペア:

[(1, 19690890), (2, 9845445), (3, 6563630), (5, 3938178), (6, 3281815), (10, 1969089), (15, 1312726), (30, 656363), (31, 635190), (62, 317595), (93, 211730), (155, 127038), (186, 105865), (310, 63519), (465, 42346), (683, 28830), (930, 21173), (961, 20490), (1366, 14415), (1922, 10245), (2049, 9610), (2883, 6830), (3415, 5766), (4098, 4805)]