19644690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2963}}^1$

素因数の和:3003

約数の個数: 64

約数和(自身を含む): 53778816

約数和(自身を除く): 34134126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2963, 3315, 5926, 6630, 8889, 14815, 17778, 29630, 38519, 44445, 50371, 77038, 88890, 100742, 115557, 151113, 192595, 231114, 251855, 302226, 385190, 503710, 577785, 654823, 755565, 1155570, 1309646, 1511130, 1964469, 3274115, 3928938, 6548230, 9822345, 19644690]

約数ペア:

[(1, 19644690), (2, 9822345), (3, 6548230), (5, 3928938), (6, 3274115), (10, 1964469), (13, 1511130), (15, 1309646), (17, 1155570), (26, 755565), (30, 654823), (34, 577785), (39, 503710), (51, 385190), (65, 302226), (78, 251855), (85, 231114), (102, 192595), (130, 151113), (170, 115557), (195, 100742), (221, 88890), (255, 77038), (390, 50371), (442, 44445), (510, 38519), (663, 29630), (1105, 17778), (1326, 14815), (2210, 8889), (2963, 6630), (3315, 5926)]