19287270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 52049088

約数和(自身を除く): 32761818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 223, 279, 310, 446, 465, 558, 669, 930, 961, 1115, 1338, 1395, 1922, 2007, 2230, 2790, 2883, 3345, 4014, 4805, 5766, 6690, 6913, 8649, 9610, 10035, 13826, 14415, 17298, 20070, 20739, 28830, 34565, 41478, 43245, 62217, 69130, 86490, 103695, 124434, 207390, 214303, 311085, 428606, 622170, 642909, 1071515, 1285818, 1928727, 2143030, 3214545, 3857454, 6429090, 9643635, 19287270]

約数ペア:

[(1, 19287270), (2, 9643635), (3, 6429090), (5, 3857454), (6, 3214545), (9, 2143030), (10, 1928727), (15, 1285818), (18, 1071515), (30, 642909), (31, 622170), (45, 428606), (62, 311085), (90, 214303), (93, 207390), (155, 124434), (186, 103695), (223, 86490), (279, 69130), (310, 62217), (446, 43245), (465, 41478), (558, 34565), (669, 28830), (930, 20739), (961, 20070), (1115, 17298), (1338, 14415), (1395, 13826), (1922, 10035), (2007, 9610), (2230, 8649), (2790, 6913), (2883, 6690), (3345, 5766), (4014, 4805)]