1911924020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 4321363200

約数和(自身を除く): 2409439180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 157, 190, 292, 314, 365, 380, 439, 628, 730, 785, 878, 1387, 1460, 1570, 1756, 2195, 2774, 2983, 3140, 4390, 5548, 5966, 6935, 8341, 8780, 11461, 11932, 13870, 14915, 16682, 22922, 27740, 29830, 32047, 33364, 41705, 45844, 57305, 59660, 64094, 68923, 83410, 114610, 128188, 137846, 160235, 166820, 217759, 229220, 275692, 320470, 344615, 435518, 608893, 640940, 689230, 871036, 1088795, 1217786, 1309537, 1378460, 2177590, 2435572, 2619074, 3044465, 4355180, 5031379, 5238148, 6088930, 6547685, 10062758, 12177860, 13095370, 20125516, 25156895, 26190740, 50313790, 95596201, 100627580, 191192402, 382384804, 477981005, 955962010, 1911924020]

約数ペア:

[(1, 1911924020), (2, 955962010), (4, 477981005), (5, 382384804), (10, 191192402), (19, 100627580), (20, 95596201), (38, 50313790), (73, 26190740), (76, 25156895), (95, 20125516), (146, 13095370), (157, 12177860), (190, 10062758), (292, 6547685), (314, 6088930), (365, 5238148), (380, 5031379), (439, 4355180), (628, 3044465), (730, 2619074), (785, 2435572), (878, 2177590), (1387, 1378460), (1460, 1309537), (1570, 1217786), (1756, 1088795), (2195, 871036), (2774, 689230), (2983, 640940), (3140, 608893), (4390, 435518), (5548, 344615), (5966, 320470), (6935, 275692), (8341, 229220), (8780, 217759), (11461, 166820), (11932, 160235), (13870, 137846), (14915, 128188), (16682, 114610), (22922, 83410), (27740, 68923), (29830, 64094), (32047, 59660), (33364, 57305), (41705, 45844)]