19278350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 46663680

約数和(自身を除く): 27385330

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 223, 247, 266, 325, 350, 446, 455, 475, 494, 650, 665, 910, 950, 1115, 1235, 1330, 1561, 1729, 2230, 2275, 2470, 2899, 3122, 3325, 3458, 4237, 4550, 5575, 5798, 6175, 6650, 7805, 8474, 8645, 11150, 12350, 14495, 15610, 17290, 20293, 21185, 28990, 29659, 39025, 40586, 42370, 43225, 55081, 59318, 72475, 78050, 86450, 101465, 105925, 110162, 144950, 148295, 202930, 211850, 275405, 296590, 385567, 507325, 550810, 741475, 771134, 1014650, 1377025, 1482950, 1927835, 2754050, 3855670, 9639175, 19278350]

約数ペア:

[(1, 19278350), (2, 9639175), (5, 3855670), (7, 2754050), (10, 1927835), (13, 1482950), (14, 1377025), (19, 1014650), (25, 771134), (26, 741475), (35, 550810), (38, 507325), (50, 385567), (65, 296590), (70, 275405), (91, 211850), (95, 202930), (130, 148295), (133, 144950), (175, 110162), (182, 105925), (190, 101465), (223, 86450), (247, 78050), (266, 72475), (325, 59318), (350, 55081), (446, 43225), (455, 42370), (475, 40586), (494, 39025), (650, 29659), (665, 28990), (910, 21185), (950, 20293), (1115, 17290), (1235, 15610), (1330, 14495), (1561, 12350), (1729, 11150), (2230, 8645), (2275, 8474), (2470, 7805), (2899, 6650), (3122, 6175), (3325, 5798), (3458, 5575), (4237, 4550)]