19162980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3943}}^1$

素因数の和:3967

約数の個数: 72

約数和(自身を含む): 60295872

約数和(自身を除く): 41132892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3943, 4860, 7886, 11829, 15772, 19715, 23658, 35487, 39430, 47316, 59145, 70974, 78860, 106461, 118290, 141948, 177435, 212922, 236580, 319383, 354870, 425844, 532305, 638766, 709740, 958149, 1064610, 1277532, 1596915, 1916298, 2129220, 3193830, 3832596, 4790745, 6387660, 9581490, 19162980]

約数ペア:

[(1, 19162980), (2, 9581490), (3, 6387660), (4, 4790745), (5, 3832596), (6, 3193830), (9, 2129220), (10, 1916298), (12, 1596915), (15, 1277532), (18, 1064610), (20, 958149), (27, 709740), (30, 638766), (36, 532305), (45, 425844), (54, 354870), (60, 319383), (81, 236580), (90, 212922), (108, 177435), (135, 141948), (162, 118290), (180, 106461), (243, 78860), (270, 70974), (324, 59145), (405, 47316), (486, 39430), (540, 35487), (810, 23658), (972, 19715), (1215, 15772), (1620, 11829), (2430, 7886), (3943, 4860)]