19111140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 42360732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 251, 270, 282, 324, 405, 423, 470, 502, 540, 564, 705, 753, 810, 846, 940, 1004, 1255, 1269, 1410, 1506, 1620, 1692, 2115, 2259, 2510, 2538, 2820, 3012, 3765, 3807, 4230, 4518, 5020, 5076, 6345, 6777, 7530, 7614, 8460, 9036, 11295, 11797, 12690, 13554, 15060, 15228, 19035, 20331, 22590, 23594, 25380, 27108, 33885, 35391, 38070, 40662, 45180, 47188, 58985, 67770, 70782, 76140, 81324, 101655, 106173, 117970, 135540, 141564, 176955, 203310, 212346, 235940, 318519, 353910, 406620, 424692, 530865, 637038, 707820, 955557, 1061730, 1274076, 1592595, 1911114, 2123460, 3185190, 3822228, 4777785, 6370380, 9555570, 19111140]

約数ペア:

[(1, 19111140), (2, 9555570), (3, 6370380), (4, 4777785), (5, 3822228), (6, 3185190), (9, 2123460), (10, 1911114), (12, 1592595), (15, 1274076), (18, 1061730), (20, 955557), (27, 707820), (30, 637038), (36, 530865), (45, 424692), (47, 406620), (54, 353910), (60, 318519), (81, 235940), (90, 212346), (94, 203310), (108, 176955), (135, 141564), (141, 135540), (162, 117970), (180, 106173), (188, 101655), (235, 81324), (251, 76140), (270, 70782), (282, 67770), (324, 58985), (405, 47188), (423, 45180), (470, 40662), (502, 38070), (540, 35391), (564, 33885), (705, 27108), (753, 25380), (810, 23594), (846, 22590), (940, 20331), (1004, 19035), (1255, 15228), (1269, 15060), (1410, 13554), (1506, 12690), (1620, 11797), (1692, 11295), (2115, 9036), (2259, 8460), (2510, 7614), (2538, 7530), (2820, 6777), (3012, 6345), (3765, 5076), (3807, 5020), (4230, 4518)]